1322404002 has 32 divisors (see below), whose sum is σ = 3040012800. Its totient is φ = 425600784.

The previous prime is 1322404001. The next prime is 1322404003. The reversal of 1322404002 is 2004042231.

It is an interprime number because it is at equal distance from previous prime (1322404001) and next prime (1322404003).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1322404001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 420658 + ... + 423789.

It is an arithmetic number, because the mean of its divisors is an integer number (95000400).

Almost surely, 2^1322404002 is an apocalyptic number.

1322404002 is an abundant number, since it is smaller than the sum of its proper divisors (1717608798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1322404002 is a wasteful number, since it uses less digits than its factorization.

1322404002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844487 (or 844481 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1322404002 is about 36364.8731882843. The cubic root of 1322404002 is about 1097.6268402583.

Adding to 1322404002 its reverse (2004042231), we get a palindrome (3326446233).

The spelling of 1322404002 in words is "one billion, three hundred twenty-two million, four hundred four thousand, two".